Tobacco smoking and colorectal cancer: a population-based case-control study in Newfoundland and Labrador.

Authors Zhao J, Halfyard B, Roebothan B, et al.
Citation Can J Public Health. 2010 Jul-Aug;101(4):281-9.
PubMedLink https://pubmed.ncbi.nlm.nih.gov/21033532/
PMCID NA